{
  "declared_links": {
    "economic_signal_ids": [],
    "relation": "topic-surface-only",
    "scan_signal_ids": []
  },
  "dek": "美国国防公司Shield AI近日公开了X-Bat垂直起降喷射无人机的原型机，这款美国海军与国防创新单元(DIU)投资约 2 亿美元，加上厂家投入约1.5亿美元支持研发的自主无人系统，是专为印太地区等高度对抗性的战区环境设计，能完全摆脱对传统跑道的依赖。Shield AI预期在 2028年实现任务构型机的试飞，并于2029年投入量产。",
  "desk": "technology",
  "event_id": "event-6e8dc5631118e537d5b2442d",
  "evidence_groups": [
    {
      "group_id": "voice-of-america-chinese-editorial",
      "roles": [
        "media"
      ],
      "source_ids": [
        "voa-chinese"
      ]
    }
  ],
  "evidence_refs": [
    {
      "independence_group": "voice-of-america-chinese-editorial",
      "item_id": "item-62458e1d401a484ffa51d4d9",
      "published_at": "2026-11-14T03:00:00Z",
      "role": "media",
      "source_id": "voa-chinese",
      "source_name": "Voice of America Chinese",
      "title": "Shield AI公布垂直起降喷射无人机X-BAT原型机",
      "url": "https://www.voachinese.com/a/pkg-shield-ai-x-bat-prototype-social-media-mp4/8223507.html",
      "version_id": "itemv-e7f642356a005e1abaeac8a9"
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  ],
  "evidence_strength": "single-source",
  "headline": "Shield AI公布垂直起降喷射无人机X-BAT原型机",
  "lead": false,
  "lead_reason": "Current single-source metadata is retained but not promoted as a lead.",
  "limitations": [
    "Palimpsest retained only feed title, canonical link, time, and a bounded plain-text excerpt; it did not fetch the article body.",
    "The evidence-strength label describes source structure, not truth, intent, impact, or causation.",
    "Declared instrument links are topical pointers until a separate scan or economic observation is joined by time and method.",
    "Title-similarity clustering can miss differently worded or cross-language accounts and can join closely worded updates.",
    "This dossier currently contains one independent evidence group and remains explicitly attributed."
  ],
  "mutation": {
    "kind": "unchanged",
    "previous_version_id": "eventv-2724cb2da1ae2022bd94321e"
  },
  "published_at": "2026-11-14T03:00:00Z",
  "reported_facts": [
    {
      "attribution": "Voice of America Chinese",
      "evidence_item_id": "item-62458e1d401a484ffa51d4d9",
      "published_at": "2026-11-14T03:00:00Z",
      "statement": "Voice of America Chinese published “Shield AI公布垂直起降喷射无人机X-BAT原型机”."
    }
  ],
  "topics": [
    "politics",
    "rights",
    "technology"
  ],
  "updated_at": "2026-11-14T03:00:00Z",
  "url": "https://palimpsest.info/news/wire/event-6e8dc5631118e537d5b2442d/",
  "version_id": "eventv-2724cb2da1ae2022bd94321e"
}